/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. Camunda licenses this file to you under the Apache License,
 * Version 2.0; you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

'use strict';
/**
 * A request logger that broadcasts the events
 * requestStarted and requestFinished requests on the
 * page have been made.
 */
module.exports = [
  '$rootScope',
  function($rootScope) {
    var activeCount = 0;

    return {
      logStarted: function() {
        if (!activeCount) {
          $rootScope.$broadcast('requestStarted');
        }

        activeCount++;
      },

      logFinished: function() {
        activeCount--;

        if (!activeCount) {
          $rootScope.$broadcast('requestFinished');
        }
      }
    };
  }
];
